diff options
| -rw-r--r-- | lib/libalpm/deps.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/lib/libalpm/deps.c b/lib/libalpm/deps.c index 21578293..e37eb02e 100644 --- a/lib/libalpm/deps.c +++ b/lib/libalpm/deps.c @@ -322,9 +322,6 @@ static int dep_vercmp(const char *version1, pmdepmod_t mod, int _alpm_depcmp(pmpkg_t *pkg, pmdepend_t *dep) { alpm_list_t *i; - - ALPM_LOG_FUNC; - const char *pkgname = alpm_pkg_get_name(pkg); const char *pkgversion = alpm_pkg_get_version(pkg); int satisfy = 0; @@ -332,22 +329,29 @@ int _alpm_depcmp(pmpkg_t *pkg, pmdepend_t *dep) /* check (pkg->name, pkg->version) */ satisfy = (strcmp(pkgname, dep->name) == 0 && dep_vercmp(pkgversion, dep->mod, dep->version)); + if(satisfy) { + return(satisfy); + } /* check provisions, format : "name=version" */ for(i = alpm_pkg_get_provides(pkg); i && !satisfy; i = i->next) { - char *provname = strdup(i->data); - char *provver = strchr(provname, '='); + const char *provision = i->data; + const char *provver = strchr(provision, '='); if(provver == NULL) { /* no provision version */ satisfy = (dep->mod == PM_DEP_MOD_ANY - && strcmp(provname, dep->name) == 0); + && strcmp(provision, dep->name) == 0); } else { - *provver = '\0'; + /* This is a bit tricker than the old code for performance reasons. To + * prevent the need to copy and duplicate strings, strncmp only the name + * portion if they are the same length, since there is a version and + * operator in play here. */ + size_t namelen = provver - provision; provver += 1; - satisfy = (strcmp(provname, dep->name) == 0 + satisfy = (strlen(dep->name) == namelen + && strncmp(provision, dep->name, namelen) == 0 && dep_vercmp(provver, dep->mod, dep->version)); } - free(provname); } return(satisfy); |